974125511 has 2 divisors, whose sum is σ = 974125512. Its totient is φ = 974125510.

The previous prime is 974125469. The next prime is 974125513. The reversal of 974125511 is 115521479.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 974125511 - 2⁶ = 974125447 is a prime.

It is a super-2 number, since 2×974125511² = 1897841022362022242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 974125513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974125513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487062755 + 487062756.

It is an arithmetic number, because the mean of its divisors is an integer number (487062756).

Almost surely, 2^974125511 is an apocalyptic number.

974125511 is a deficient number, since it is larger than the sum of its proper divisors (1).

974125511 is an equidigital number, since it uses as much as digits as its factorization.

974125511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 35.

The square root of 974125511 is about 31210.9838198029. The cubic root of 974125511 is about 991.2996945424.

The spelling of 974125511 in words is "nine hundred seventy-four million, one hundred twenty-five thousand, five hundred eleven".